Manhole cover



FIG. 1 is a top perspective view of a manhole cover showing our new design;

FIG. 2 is a top view of the same;

FIG. 3 is a bottom view of the same;

FIG. 4 is a front view of the same;

FIG. 5 is a back view of the same;

FIG. 6 is a right side view of the same;

FIG. 7 is a left side view of the same;

FIG. 8 is a front sectional view of the same;

FIG. 9 is a top perspective view of the same;

FIG. 10 is a bottom perspective view of the same;

FIG. 11 is a front sectional view of the same;

FIG. 12 is a bottom perspective view of the same; and,

FIG. 13 is top perspective environmental view of the same.

The broken lines of the various views, namely the handle, eye bolt brackets, and hinge bracket of FIGS. 9, 10, 12 and 13, the channel wall of FIGS. 11 and 12, and the tank container of FIG. 13 are included for the purpose of illustrating environmental structure that forms no part of the claimed design. 

The ornamental design for a manhole cover, as shown and described. 